{"id":"001210740","type":"book","title":"Zum Problem der Anfangsdatierung der harten Grauware im frühen 13. Jh. in Nordostdeutschland","pages":"139-143","container-title":"Zeitschrift für Archäologie, 28,1 (1994","author":[{"family":"Mangelsdorf","given":"Günter 1947-2008"}],"issued":{"raw":"1994"}}